| 摘要 |
PROBLEM TO BE SOLVED: To set an optimal rotating position of a biplane in accordance with a moving direction of a tissue. SOLUTION: A set of scan surfaces being the biplane comprises a first scan surface and a second scan surface. The set of scan surfaces (or one of the scan surfaces) is rotatively scanned as a trial. A target tissue is measured at respective rotational angles, and an appropriate rotational angle of the set of scan surfaces is determined on the basis of the measurement result. The set of scan surfaces is positioned at the appropriate rotational angle. COPYRIGHT: (C)2011,JPO&INPIT
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